Single-engine piston

N21SR

Homebuilt Z

Registered No accidents on file
Built
—
Serial
1
Class
Single-engine piston
Engines
1
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Niwot, CO
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Registration record

N21SR on the FAA register

Type
Homebuilt Z
Serial
1
Engines
1
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Niwot, CO
Certificate issued
1987-07-21
Airworthiness date
—
Registration expires
2027-10-31
Airworthiness class
—
Mode S (hex)
A1B8C9
Mode S (octal)
50334311
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-10-31
    Registration expires (renewal due).
  • 1987-07-21
    Certificate of registration issued as N21SR.
Overview

About N21SR

N21SR is a Homebuilt Z, serial number 1. It is registered to an individual in Niwot, Colorado. The current certificate of registration was issued on July 21, 1987 and expires on October 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston and 4 seats.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N21SR.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N21SR.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Aircraft registered in Colorado· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.